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Industrial Serial To Fiber Converter
Industrial DIN-rail 1-2Way RS232/422/485 Self-Healing Ring Fiber Optic Modem
Provide 1-2-way serial port, each serial port at the same time to provide RS232/422/485 three kinds of serial interfaces (interface type can be set through the DIP switch), to facilitate the opening of the business on the spot;;
Can automatically detect and control the RS-485 data flow It is not necessary to use handshake signals to control the flow of data; with the ability to automatically detect the baud rate of the serial port signals;
Provide two fibre-optic line, in line failure can be automatically switched to ensure normal communication;
Optical interface support for multi-mode dual-fiber, single-mode dual-fiber, single-mode single-fiber three optical transmission modes, SC/ST/FC/LC interface optional
Support a variety of fiber optic network structure: point-to-point, star, chain, ring network redundancy, and can be combined for more complex network topology Support a variety of fiber optic network structure;
Serial number of channels can transmit asynchronous from 300-115200bps baud rate adaptive serial port data;.
The lightning protection of serial interface reaches IEC61000-4-5 (10/700μS) differential mode: 6KV impedance (40Ω); common mode: 6KV, impedance (40Ω) standard.
Supports wide range of AC and DC inputs, internal isolation, redundant dual power inputs, power supply overload protection, anti-reverse connection protection.
Meet the requirements of industrial level 4 electromagnetic compatibility
Super lightning protection: lightning protection, anti-induced high voltage, anti-surge and so on.
Fanless and efficient heat dissipation, reducing repair time.
IP40 enclosure protection level, can withstand the test of harsh environments
Rail or wall mounting
Wide temperature range: -40℃~+85
100% aging test, provide 5 years warranty period
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HT403RI-1R3/2R3 provides 1-2 RS232/422/485 serial ports for transmission via optical fiber, supports various optical fiber network topologies: point-to-point communication, chain network, star network and redundant ring network with self-healing protection, etc., and can be grouped together on this basis to form a more complex network topology, with a ring network with self-healing protection function. The product breaks through the traditional serial interface. The product breaks through the traditional serial interface communication distance and communication rate of the contradiction, at the same time, also solved the electromagnetic interference, ground loop interference and lightning damage problems, greatly improving the reliability of data communication, security and confidentiality.

Technical parameters:
◆ Fiber optic part

Optical port: 2

Optical Fiber: Single/Dual Fiber

Fiber optic interface: FC/SC/ST/LC(SFP)
Wavelength: 850nm/1310nm multimode; 1310nm/1550nm single mode
Relay-free transmission distance: 20~120Km
Typical Transmit Power.
Single-mode 1310/1550nm: ≥-9dBm
Multimode 850nm: -18dBm
Multimode 1310nm: -25dBm
Acceptance sensitivity range: -28dBm~- 40dBm

◆ Serial Interface:
Standard
EIA/TIA-232 RS-232 (ITU-T V.28)
EIA/TIA-422 RS-422 (ITU-T V.11)
EIA/TIA-485 RS-485 (ISO/IEC8284)
Serial Interface: RS-422: TxD+ (ITU-T V.11)
RS-422: TxD+ TxD- RxD+ RxD-
RS-485 4 wires: TxD+ TxD- RxD+ RxD- RS-485 2 wires: A (corresponds to TX+) B (corresponds to TX-) Ground
RS-232: RXD TXD Signal Ground


◆ Electrical and Mechanical Features:

Redundant dual power inputs: DC9-48V 

power consumption <5W

Overload protection: Support
Reverse connection protection: Support
Redundancy protection: Support
Access terminals: 4-core 5.08mm pitch plug-in terminals
Housing: IP40 protection level, aluminium alloy material
Installation: Din-rail mounted, wall mounted
Weight: 0.75kg/set
Dimensions: 110mm (L) x 86mm (W) x 40.0mm (H)

◆ Environmental indicators
Operating Temperature: -40℃-+85
Storage Temperature: -40℃-+85℃
Operating humidity: 0%-95% (non-condensing)
MTBF: >100,000 hours

Structure&apperarance:



The product supports a variety of fibre-optic network topologies: point-to-point communication, chain network, star network and redundant ring self-healing protection topologies, and can be grouped on this basis for more complex network topologies.

Point to Point Applications: Some individually dispersed bus nodes need to communicate with each other over long distances, or are subject to serious interference and need to be electrically isolated.


Chain (Line) Application: Multiple bus nodes need to communicate with each other over long distances, or multiple nodes need to be completely isolated from each other to prevent interference.


Star applications: when there is a need to change the bus chain topology between multiple nodes, or when there is a need for complete electrical isolation between multiple nodes;


Circle: Application: Redundant fibre-optic links are required between multiple nodes to ensure reliable bus communication.



The application of this series of products is flexible, at the same time, this series of products can use dual optical ports to achieve dual-fiber ring network redundancy function, when a fiber optic failure, the system will rebuild the network link within 10ms, to protect the normal communication of the system, to achieve the self-healing protection function of the bus signal transmission, the system will be automatically restored after the elimination of network failures;